【Stable Water Bottle Holder】Bottle holder (Bottle not include) on running waist pack allows easy one handed access. Now you can take along water bottle always with you, Enjoy running and other workout with hands-free! 【WATER RESISTANT - Sweat-proof and Rain-proof】Made of high-quality waterproof material with a special-shaped waterproof zipper to keep your items dry in almost any weather condition. So you’ll never worry about your belongings getting wet or moist in rainy days. 【ADJUSTABLE BUCKLE BELT - Perfect Fit for Waist Curve】Using skin-friendly soft breathable fabrics and adjustable elastic strap. Fits 23 - 40 inches waists. Strong adjustable elastic waistband ensures it bounce free. Comfortably around your waist. 【Enjoying Music During Exercise】Designed to make it convenient to listen to music and use the function of call during exercise and fitness, so that you can free your hands to enjoy your personal sports time. Designed with reflector for safety and visibility when active in the dark.